Ellen rotated triangle ABC 90° clockwise around point A to form triangle ACD and rotated triangle ABC 180° clockwise around point A to form triangle ADE.
Which transformation should she perform on triangle ADE to ensure that BE ≌ DC?
A. a 90° clockwise rotation around point A
B. a 90° counterclockwise rotation around point E
C. a translation 2 units left
D. a translation 2 units down